1 minute The watches charge very quickly. In most SEIKO Solar calibers, just one minute of sunlight delivers one hour of charge (two minutes for women’s models) and the watch is fully charged after three hours.

6 months The watch retains the charge for an extended period. When worn regularly, the watch will remain fully charged, of course, but even if left in pitch blackness for 6 months, (or 12 in some models) the watch continues to work normally.

8 minutes If the watch is without power, it will start to operate completely normally after just eight minutes of exposure to sunlight.

1 minute The watches charge very quickly. In most SEIKO Solar calibers, just one minute of sunlight delivers one hour of charge (two minutes for women’s models) and the watch is fully charged after three hours.

6 months The watch retains the charge for an extended period. When worn regularly, the watch will remain fully charged, of course, but even if left in pitch blackness for 6 months, (or 12 in some models) the watch continues to work normally.

8 minutes If the watch is without power, it will start to operate completely normally after just eight minutes of exposure to sunlight.